Mike Reed | 60691a5 | 2017-12-05 15:11:24 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "Test.h" |
| 9 | #include "Resources.h" |
| 10 | #include "sk_tool_utils.h" |
| 11 | #include "SkCanvas.h" |
| 12 | #include "SkPicture.h" |
| 13 | #include "SkPictureRecorder.h" |
| 14 | #include "SkSerialProcs.h" |
| 15 | #include "SkSurface.h" |
| 16 | |
| 17 | static sk_sp<SkImage> picture_to_image(sk_sp<SkPicture> pic) { |
| 18 | SkIRect r = pic->cullRect().round(); |
| 19 | auto surf = SkSurface::MakeRasterN32Premul(r.width(), r.height()); |
| 20 | surf->getCanvas()->drawPicture(pic); |
| 21 | return surf->makeImageSnapshot(); |
| 22 | } |
| 23 | |
| 24 | struct State { |
| 25 | const char* fStr; |
| 26 | SkImage* fImg; |
| 27 | }; |
| 28 | |
| 29 | DEF_TEST(serial_procs_image, reporter) { |
Hal Canary | c465d13 | 2017-12-08 10:21:31 -0500 | [diff] [blame^] | 30 | auto src_img = GetResourceAsImage("images/mandrill_128.png"); |
Mike Reed | 60691a5 | 2017-12-05 15:11:24 -0500 | [diff] [blame] | 31 | const char magic_str[] = "magic signature"; |
| 32 | |
| 33 | const SkSerialImageProc sprocs[] = { |
Mike Reed | 64f7376 | 2017-12-08 10:31:52 -0500 | [diff] [blame] | 34 | [](SkImage* img, void* ctx) -> sk_sp<SkData> { return nullptr; }, |
| 35 | [](SkImage* img, void* ctx) { return img->encodeToData(); }, |
| 36 | [](SkImage* img, void* ctx) { return SkData::MakeWithCString(((State*)ctx)->fStr); }, |
Mike Reed | 60691a5 | 2017-12-05 15:11:24 -0500 | [diff] [blame] | 37 | }; |
| 38 | const SkDeserialImageProc dprocs[] = { |
| 39 | [](const void* data, size_t length, void*) -> sk_sp<SkImage> { |
| 40 | SK_ABORT("should not get called"); |
| 41 | return nullptr; |
| 42 | }, |
Mike Reed | 64f7376 | 2017-12-08 10:31:52 -0500 | [diff] [blame] | 43 | [](const void* data, size_t length, void*) { |
Mike Reed | 60691a5 | 2017-12-05 15:11:24 -0500 | [diff] [blame] | 44 | return SkImage::MakeFromEncoded(SkData::MakeWithCopy(data, length)); |
| 45 | }, |
| 46 | [](const void* data, size_t length, void* ctx) -> sk_sp<SkImage> { |
| 47 | State* state = (State*)ctx; |
Mike Reed | 64f7376 | 2017-12-08 10:31:52 -0500 | [diff] [blame] | 48 | if (length != strlen(state->fStr)+1 || memcmp(data, state->fStr, length)) { |
Mike Reed | 60691a5 | 2017-12-05 15:11:24 -0500 | [diff] [blame] | 49 | return nullptr; |
| 50 | } |
| 51 | return sk_ref_sp(state->fImg); |
| 52 | }, |
| 53 | }; |
| 54 | |
| 55 | sk_sp<SkPicture> pic; |
| 56 | { |
| 57 | SkPictureRecorder rec; |
| 58 | SkCanvas* canvas = rec.beginRecording(128, 128); |
| 59 | canvas->drawImage(src_img, 0, 0, nullptr); |
| 60 | pic = rec.finishRecordingAsPicture(); |
| 61 | } |
| 62 | |
| 63 | State state = { magic_str, src_img.get() }; |
| 64 | |
| 65 | SkSerialProcs sproc; |
| 66 | sproc.fImageCtx = &state; |
| 67 | SkDeserialProcs dproc; |
| 68 | dproc.fImageCtx = &state; |
| 69 | |
| 70 | for (size_t i = 0; i < SK_ARRAY_COUNT(sprocs); ++i) { |
| 71 | sproc.fImageProc = sprocs[i]; |
| 72 | auto data = pic->serialize(sproc); |
| 73 | REPORTER_ASSERT(reporter, data); |
| 74 | |
| 75 | dproc.fImageProc = dprocs[i]; |
| 76 | auto new_pic = SkPicture::MakeFromData(data, dproc); |
| 77 | REPORTER_ASSERT(reporter, data); |
| 78 | |
| 79 | auto dst_img = picture_to_image(new_pic); |
| 80 | REPORTER_ASSERT(reporter, sk_tool_utils::equal_pixels(src_img.get(), dst_img.get())); |
| 81 | } |
| 82 | } |
| 83 | |